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The Sikorsky S-55 (ICAO type S55T) is an aircraft of United States origin, certificated in the Helicopter category. It has a maximum take-off weight of 3,200 kg. It offers a maximum range of 350 nm, a cruise speed of 74 knots, a service ceiling of 13,000 ft and seating for up to 12 across its variants.

Sikorsky S-55

Sikorsky S-55
S55T
Photo via Wikidata (Q694765) / Wikimedia Commons
Year
—
Owner
—
Last seen
—
MTOW
3,200 kg
Range
350 nm
Seats
12
S-55
Sikorsky · S-55
Model overview

Fleet & certification

Built
18
Active
18
Origin
United States
Certifying authorities
FAA
Variants

Per-variant specifications

VariantEngineMTOWRangeCruisePax
S-55
S-55
—3,200 kg350 nm74 kt12
S-55B
S-55B
—3,200 kg350 nm74 kt12
S-55C
S-55C
—————
Type certification

The FAA paperwork

TCDS 1H4 · Rev 32 · issued 1989-12-29

Category
Helicopter
MTOW
3,266 kg
Seats
2 crew · 7 passengers
Fuel
530 L
Approved fuel80/87 aviation gasoline
Engine

P&W Wasp S1H2

Certification basis

Type Certificate No. 1H4 (CAR 6, May 1946)

Safety & ops history

Where to look next

Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.

Sikorsky S-55 market & fleet intelligence

Registry, flight-tracking and market data on the Sikorsky S-55 fleet — updated daily.

Fleet age

71 yearsmedian age

Of the 15 registered Sikorsky S-55 with a known build year (83% of the 18 we track), the median age is 71 years.

S-55 — frequently asked
What is the range of the Sikorsky S-55?

The Sikorsky S-55 has a maximum range of 350 nautical miles across variants.

How many people can the Sikorsky S-55 carry?

The Sikorsky S-55 seats up to 12 across its variants.

What is the MTOW of the Sikorsky S-55?

The Sikorsky S-55's maximum take-off weight is 3,200 kg.

What is the ICAO type designator for the Sikorsky S-55?

The Sikorsky S-55's ICAO type designator is S55T.

How many Sikorsky S-55 aircraft are registered worldwide?

Sprinkle tracks 18 registered Sikorsky S-55 airframes worldwide.